Applicability of the Hertz contact theory to rail-wheel contact problems

W. Yan, F. D. Fischer

Research output: Contribution to journalArticleResearchpeer-review

86 Citations (Scopus)

Abstract

Rail-wheel contact problems have been analyzed by applying three-dimensional finite element models. Based on these models, the applicability of the Hertz contact theory (HCT) to rail-wheel contact problems is verified in the present paper. Beside a standard rail, also a crane rail and a switching component are considered in the verification. In the case of a contact between the standard rail UIC60 and the standard wheel UICORE, different transverse contact positions are analyzed. Numerically calculated distributions of the contact pressure for different types of rails with respect to different initial contact positions agree with the results from the HCT only if either the contact zone does not spread into a region of changed surface curvature or if plastification does not occur. Finally, the convective part of the dissipation power due to friction is calculated, which cannot be provided directly by the HCT.

Original languageEnglish
Pages (from-to)255-268
Number of pages14
JournalArchive of Applied Mechanics
Volume70
Issue number4
DOIs
Publication statusPublished - 1 Jan 2000
Externally publishedYes

Keywords

  • Elastic-plastic material
  • Hertz contact theory
  • Rail-wheel contact

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